Meta releases Muse Spark Open, a new ‘open-weight’ AI model
Meta says Muse excels at ‘multi-step reasoning’ and ‘complex software engineering’ as it races to catch up to Chinese rivals

TL;DR
- Meta launched Muse Spark Open, an open-weight AI model.
- The model is claimed to rival or outperform similar products from Chinese developers like Alibaba and Moonshot AI.
- Muse Spark Open is designed for coding, agentic work, long-horizon tasks, complex software engineering, and multi-step reasoning.
- It features integrated safeguards and is optimized to run on Apple's M5 Ultra chips.
- Users can create a desktop "supercomputer" by running the model on two Mac Studios with M5 Ultra chips.
- This launch follows Meta's recent announcement of a new closed AI model.